EarQuiz Frequencies is a free and open-source software designed to enhance your ability to recognize and understand frequency bands through ear training focused on equalization. It supports musicians, audio professionals, and students in developing critical listening skills that enable conscious and precise EQ adjustments. Whether you are a producer, engineer, DJ, or enthusiast aiming to improve your frequency identification, this tool provides structured exercises to sharpen your auditory perception.

The software offers a comprehensive training approach inspired by the Golden Ears method, emphasizing the development of essential listening skills. Users engage in Learn mode, where they listen to pink noise or music samples processed with graphic EQ adjustments, and Test mode, which challenges them to identify boosted or cut frequencies and receive scores based on accuracy. This interactive process supports continuous improvement and self-assessment.

EarQuiz Frequencies includes a variety of features such as an internal pink noise generator, support for multiple audio formats, and 15 presets with increasing difficulty levels. It offers both 1-octave and 1/3-octave EQ settings, adjustable gain levels, and filter bandwidth options. Additional capabilities include seamless audio file trimming, playlist support, and export options for training materials, making it a practical and flexible solution for individual practice or educational use.